package com.tanhua.server.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.tanhua.common.pojo.User;
import com.tanhua.common.pojo.UserInfo;
import com.tanhua.common.utils.UserThreadLocal;
import com.tanhua.dubbo.server.pojo.RecommendUser;
import com.tanhua.dubbo.server.vo.PageInfo;
import com.tanhua.server.vo.PageResult;
import com.tanhua.server.vo.RecommendUserQueryParam;
import com.tanhua.server.vo.TodayBest;

import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.util.*;

@Service
public class TodayBestService {
    @Autowired
    private UserService userService;
    @Autowired
    private RecommendUserService recommendUserService;
    @Autowired
    private UserInfoService userInfoService;
    @Value("${tanhua.sso.default.user}")
    private Long defaultUser;

    /**
     * 查询今日佳人
     * @return
     */
    public TodayBest queryTodayBest() {
        //获取对象   无需校验token
        User user = UserThreadLocal.get();
        //如果结果不为空 继续查询今日佳人
        TodayBest todayBest = this.recommendUserService.queryTodayBest(user.getId());
        //如果今日佳人为空
        if(null == todayBest){
            //给出默认的推荐用户
            todayBest = new TodayBest();
            todayBest.setId(defaultUser);//设置默认id
            todayBest.setFateValue(80L); //设置默认缘分值
        }

        //补全个人信息
        UserInfo userInfo = this.userInfoService.queryUserInfoByUserId(todayBest.getId());
        if(null == userInfo){
            return null;
        }
        todayBest.setAvatar(userInfo.getLogo());
        todayBest.setNickname(userInfo.getNickName());
        todayBest.setTags(StringUtils.split(userInfo.getTags(), ','));
        todayBest.setGender(userInfo.getSex().getValue() == 1 ? "man" : "woman");
        todayBest.setAge(userInfo.getAge());

        return todayBest;
    }

    public PageResult queryRecommendation(RecommendUserQueryParam queryParam) {
        //无需校验token 直接获取对象
        User user = UserThreadLocal.get();
        PageResult pageResult = new PageResult();
        pageResult.setPage(queryParam.getPage());
        pageResult.setPagesize(queryParam.getPagesize());
        PageInfo<RecommendUser> pageInfo = this.recommendUserService.queryRecommendUserList(user.getId(), queryParam.getPage(), queryParam.getPagesize());
        List<RecommendUser> records = pageInfo.getRecords();
        if (CollectionUtils.isEmpty(records)){
            //没有查询到推荐的用户列表
            return pageResult;
        }
        //填充个人信息
        //收集推荐用户的id
        Set<Long> userIds = new HashSet<>();
        for (RecommendUser record : records) {
            userIds.add(record.getUserId());
        }
        QueryWrapper<UserInfo> queryWrapper = new QueryWrapper<>();
        queryWrapper.in("user_id",userIds);
        /*if (StringUtils.isNotEmpty(queryParam.getGender())){
            //如果性别不为空   那么需要性别参数查询
            queryWrapper.eq("sex",StringUtils.equals(queryParam.getGender(),"man") ? 1 : 2);
        }
        if (StringUtils.isNotEmpty(queryParam.getCity())){
            //如果城市不为空   那么需要城市参数查询
            queryWrapper.like("city",queryParam.getCity());
        }
        if (queryParam.getAge() != null){
            //设置年龄参数   条件:小于等于
            queryWrapper.le("age",queryParam.getAge());
        }*/
        List<UserInfo> userInfoList = this.userInfoService.queryUserInfoList(queryWrapper);
        if (CollectionUtils.isEmpty(userInfoList)){
            //没有查询到推荐用户基本信息
            return pageResult;
        }
        //如果查到
        List<TodayBest> todayBests = new ArrayList<>();
        for (UserInfo userInfo : userInfoList) {
            TodayBest todayBest = new TodayBest();
            todayBest.setId(userInfo.getUserId());
            todayBest.setAvatar(userInfo.getLogo());
            todayBest.setNickname(userInfo.getNickName());
            todayBest.setTags(StringUtils.split(userInfo.getTags(), ','));
            todayBest.setGender(userInfo.getSex().getValue() == 1 ? "man" : "woman");
            todayBest.setAge(userInfo.getAge());

            // 缘分值
            for (RecommendUser record : records) {
                if (record.getUserId().longValue() == userInfo.getUserId().longValue()){
                    double score = Math.floor(record.getScore());//取整,98.2 -> 98
                    todayBest.setFateValue(Double.valueOf(score).longValue());
                    break;
                }
            }
            todayBests.add(todayBest);
        }
        //按照缘分值进行倒序排序
        Collections.sort(todayBests,((o1, o2) -> new Long(o2.getFateValue() - o1.getFateValue()).intValue()));
        pageResult.setItems(todayBests);
        return pageResult;


    }
}
